April weather forecastHarleyville, SC
April
Weather in April
April in Harleyville, South Carolina, is a warm spring month, with an average temperature varying between 75.2°F (24°C) and 55.2°F (12.9°C).Temperature
Harleyville observes a slight uplift in the average high-temperature with the onset of April, adjusting from March's refreshing 66.4°F (19.1°C) to a warm 75.2°F (24°C). Harleyville records a steady low-temperature average of 55.2°F (12.9°C) during April.Humidity
In Harleyville, the average relative humidity in April is 75%.Rainfall
In Harleyville, in April, it is raining for 11.9 days, with typically 1.89" (48mm) of accumulated precipitation. Throughout the year, in Harleyville, there are 151.2 rainfall days, and 23.46" (596mm) of precipitation is accumulated.Snowfall
March through December are months without snowfall in Harleyville, South Carolina.Daylight
The average length of the day in April in Harleyville, South Carolina, is 13h and 2min.On the first day of the month, sunrise is at 7:08 am and sunset at 7:42 pm. On the last day of April, in Harleyville, sunrise is at 6:34 am and sunset at 8:03 pm EDT.
Sunshine
In April, the average sunshine is 9.5h.UV index
In Harleyville, the average daily maximum UV index in April is 6. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for average individuals.Note: The UV index of 6 during April leads to these advisories:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. Attempt to stay under shade and limit exposure to the Sun between 10 a.m. and 4 p.m., when UV radiation is at its peak. Remember, devices such as parasols or canopies might not provide complete sun protection. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Harleyville, SC
- Average high temperature in April: 75.2°F
The warmest month (with the highest average high temperature) is July (91.2°F).
The month with the lowest average high temperature is January (55.2°F).
- Average low temperature in April: 55.2°F
The month with the highest average low temperature is July (73.2°F).
The coldest month (with the lowest average low temperature) is January (38.8°F).
Average pressure in April
Harleyville, SC
- Average pressure in April: 30.03"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in April
Harleyville, SC
- Average wind speed in April: 7.1mph
The windiest month (with the highest average wind speed) is April (7.1mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in April
Harleyville, SC
- Average humidity in April: 75%
The months with the highest relative humidity are May, August, September and December (77%).
The month with the lowest relative humidity is January (72%).
Average rainfall in April
Harleyville, SC
- Average rainfall in April: 1.89"
The wettest month (with the highest rainfall) is August (3.15").
The driest month (with the least rainfall) is November (0.91").
Average rainfall days in April
Harleyville, SC
- Average rainfall days in April: 11.9 days
The month with the highest number of rainy days is August (19.5 days).
The month with the least rainy days is November (6.8 days).
Average snowfall in April
Harleyville, SC
- Average snowfall in April: 0"
The months with the highest snowfall are January and February (0.16").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in April
Harleyville, SC
- Average snowfall days in April: 0 days
The month with the highest number of snowfall days is January (0.4 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in April /
Average sunshine in April
Harleyville, SC
- Average daylight in April: 13h and 0min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in April: 9h and 30min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).
Average sunshine days in April
Harleyville, SC
- Average sunshine days in April: 16.7 days
The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is August (8.7 days).
Average UV index in April
Harleyville, SC
- Average UV index in April: 6
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in April
Harleyville, SC
- Average cloud cover in April: 33
The month with the most cloud cover is December (Cloud cover 42).
The month with the least cloud cover is October (Cloud cover 29).
Average visibility in April
Harleyville, SC
- Average visibility in April: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
